Find out potential energy of the two point charge system having charges `q_(1)` and `q_(2)` separated by distance r.

Potential energy of a system of charges q_(1) and q_(2) which are separated by a distance r is ?

Two point charges Q and -Q/4 are separated by a distance x.

The following curve represents the variation of potential of points along x-axis due to two-point charges q_(1) and q_(2) separated by a distance 2 a. Find the ratio of magnitude of two charges (point 0 is origin and coordinates of point P is(a/3,0))

(a) Write two properties by which electric potential is related to the electric field . (b) Two point charges q_(1) and q_(2) separated by a distance of r_(12) are kept in air. Derive an expression for the potential energy of the system of two charges .

Two point charges Q and - Q //4 are separated by a distance X . Then .

Two identical conducting balls having positive charges q_(1) and q_(2) are separated by a center to center distance r. If any are made to touch each other and then separated to the same distance the force between them will be ……… .